Home / 18,439,662.18-25,446,065.43-10,179,546.68

Finding the Fourth Proportional to 18,439,662.18, 25,446,065.43 and 10,179,546.68

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Solution

The fourth proportional to 18,439,662.18, 25,446,065.43 and 10,179,546.68 is: 14,047,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,662.18 : 25,446,065.43 = 10,179,546.68 : x
  2. Step 2: Convert to fraction form
    18,439,662.18/25,446,065.43 = 10,179,546.68/x
  3. Step 3: Cross multiply
    18,439,662.18x = 25,446,065.43 × 10,179,546.68
  4. Step 4: Simplify right side
    18,439,662.18x = 259,029,410,867,019.25
  5. Step 5: Solve for x
    x = 259,029,410,867,019.25/18,439,662.18
  6. Step 6: Final answer
    x = 14,047,405.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.